<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>理想适配</title>

    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .shipei{
            width: 100px;
            height: 100px;
            background-color: green;
        }

        .manping{
            width: 375px;
            height: 100px;
            background-color: pink;
        }
        /*在二倍屏屏幕也是100px*/
    </style>
</head>
<body>

    <div class="shipei">

    </div>

    <div class="manping">

    </div>

    <script>
    
    console.log("layout viewport的宽度" + document.documentElement.clientWidth);
    console.log("visual viewport的宽度" + window.innerWidth);
    </script>
    
</body>
</html>